Dipotassium 4,4′-(hexane-3,4-diyl)bis(benzenesulfonate) dihydrate
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چکیده
The anion of the title compound, also called sygethin dihydrate, 2K(+)·C(18)H(20)O(6)S(2) (2-)·2H(2)O, has crystallographic inversion symmetry. The K(+) cation is surrounded by eight O atoms in a distorted cubic coordination geometry, forming extended K-O-S networks. There are also O-H⋯O hydrogen bonds.
منابع مشابه
3,3′-Dimethyl-4,4′-(hexane-1,6-diyl)bis[1H-1,2,4-triazol-5(4H)-one]
The title compound, C(12)H(20)N(6)O(2), has a centre of symmetry. The mol-ecule consists of two triazole rings joined by an aliphatic -(CH(2))(6)- chain. The crystal structure is stabilized by inter-molecular N-H⋯O hydrogen bonds and by π-π stacking inter-actions between the triazole rings of inversion-related mol-ecules [centroid-centroid distance = 3.277 (8) Å].
متن کامل4,4′-Dichloro-3,3′,5,5′-tetramethyl-2,2′-[(3aR,7aR/3aS,7aS)-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl)bis(methylene)]diphenol
In the title compound, C(25)H(32)Cl(2)N(2)O(2), there are two intra-molecular O-H⋯ N hydrogen-bonding inter-actions between the hy-droxy groups on the aromatic rings and the two N atoms of the heterocyclic group. The cyclo-hexane ring adopts a chair conformation and the imidazolidine unit to which it is fused has a twisted envelope conformation. The asymmetric unit comprises one half-mol-ecule ...
متن کامل4,4′-Diiodo-2,2′-[(3aR,7aR)-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl)bis(methylene)]diphenol
In the crystal structure of the title compound, C(21)H(24)I(2)N(2)O(2), the two N atoms of the imidazolidine moiety are linked to the hy-droxy groups by intra-molecular O-H⋯N hydrogen-bonding inter-actions. The cyclo-hexane ring adopts a chair conformation and the heterocyclic ring to which it is fused has a twisted envelope conformation.
متن کامل4,4′-Difluoro-2,2′-{[(3aRS,7aRS)-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylene)]}diphenol
In the crystal structure of the title compound, C(21)H(24)F(2)N(2)O(2), the two N atoms of the imidazolidine moiety are linked to the hy-droxy groups by intra-molecular O-H⋯N hydrogen-bonding inter-actions. The crystal studied was a racemic mixture of RR and SS enatiomers. The cyclo-hexane ring adopts a chair conformation and the imidazolidine group to which it is fused has a twisted envelope c...
متن کاملHexaaquacadmium(II) bis[4-(2-hydroxybenzylideneamino)benzenesulfonate] dihydrate
In the title compound, [Cd(H(2)O)(6)](C(13)H(10)NO(4)S)(2)·2H(2)O, the Cd atom (site symmetry ) adopts a regular octa-hedral coordination and the anion is stabilized by an intra-molecular O-H⋯N hydrogen bond. O-H⋯O hydrogen bonds involving the coordinated and uncoordinated water mol-ecules lead to a three-dimensional network.
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